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소숫점: 1자리 덧셈39

1
3.9
+
9.4
=
13.3
2
9.4
+
9.3
=
18.7
3
5.6
+
5.2
=
10.8
4
9.2
+
9.2
=
18.4
5
2.7
+
6.5
=
9.2
6
4.3
+
6.8
=
11.1
7
3.4
+
9.1
=
12.5
8
2.2
+
6.3
=
8.5
9
6.5
+
2.9
=
9.4
10
3.4
+
4.9
=
8.3
11
5.3
+
1.7
=
7
12
2.3
+
2.2
=
4.5
13
6.8
+
3.2
=
10
14
5.4
+
2.1
=
7.5
15
8.9
+
5.4
=
14.3